Multiple Fano resonances in metal–insulator–metal waveguide with umbrella resonator coupled with metal baffle for refractive index sensing |
Magnetic field distributions at wavelengths (a) 555.5 nm, (b) 805 nm, (c) 1039 nm, (d) 1327 nm, (e) 1360.5 nm, (f) 1626 nm, respectively. |